I had a similar engine death. I never found that piece of metal. I cleaned
it up, replaiced a head, a drove it off. The cam was wiped shortly
thereafter. Could that piece of metal done it? I dunno. I'd crack the case
and check it all out personally. I wish I had. 

Jamie

On Thu, 12 May 1994, Albrecht Jander wrote:

> 
> Well, I see the error of my ways.  A while back I posted to ask if anyone
> could suggest a source for a rebuilt engine and got no replies.  So, I see
> the light, and will attempt a rebuild myself...
> 
> I have pulled all of the sheet metal off and pulled the heads and cylinders.
> It looks really bad!  There is a big chunk of head missing by the #1 exhaust
> valve, and the forward cylinders both have seize marks.  Looks like I'm 
> going to have to replace the heads, cylinders and pistons for big $$$.  And
> of course the &(@#$%^^#^ thermostat!!
> 
> Anyway, if anyone of you air-cooled gurus can suggest anything I should do
> while I have the beast in pieces, please advise me.  This is the first time
> I have ever done anything of this magnitude for my car.  What should I 
> check for?  What should always be replaced?  
> 
> Thanks in advance for your help,
> 
> Albrecht  '82 3-cylinder :-( Vanagon   (I'm in St. Louis, MO, B.T.W.)